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Grundfos TPE 2 Series - Digital Inputs;Outputs; Signal Relays 1 and 2 (Relay Outputs)

Grundfos TPE 2 Series
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English (GB)
36
14.12 Digital inputs/outputs
Available inputs or outputs depending on the functional module
fitted in the pump:
* See section 22. Identifying the functional module.
You can select if the interface must be used as input or output.
The output is an open collector and you can connect it to e.g. an
external relay or controller such as a PLC.
Fig. 57 Example of configurable digital inputs or outputs
To set a digital input or output, make the settings below.
Mode
The digital input or output 3 and 4 can be set to act as digital input
or digital output:
Digital input
Digital output.
Function
The digital input or output 3 and 4 can be set to the functions
mentioned below.
You can set the signal outputs to the following:
"Operation"
"Pump running"
"Ready"
•"Alarm"
"Warning".
Possible functions, digital input or output 3
* Only TPE2, TPE2 D.
Possible functions, digital input or output 4
* Only TPE2, TPE2 D.
Factory setting
See section 31. Factory settings.
14.13 Signal relays 1 and 2 (Relay outputs)
* See section 22. Identifying the functional module.
The pump incorporates two signal relays for potential-free
signalling. For further information, see section 20. Signal relays.
Function
You can configure the signal relays to be activated by one of the
following incidents:
•Not active.
Ready
The pump can be running or is ready to run and no alarms are
present.
•Alarm
There is an active alarm and the pump is stopped.
Operating (Operation)
"Operating" equals "Running" but the pump is still in operation
when it has been stopped due to a warning.
Running (Pump running)
Warning
There is an active warning.
Limit 1 exceeded*
When the "Limit 1 exceeded" function is activated, the signal
relay is activated. See section 14.20 Limit-exceeded function.
Limit 2 exceeded*
When the "Limit 2 exceeded" function is activated, the signal
relay is activated. See section 14.20 Limit-exceeded function.
Relubricate
External fan control (Control of external fan)
When you select "External fan control", the relay is activated if
the internal temperature of the motor electronics reach a
preset limit value.
* Only TPE2, TPE2 D.
Factory setting
See section 31. Factory settings.
Function (terminal)
FM 200*
(standard)
FM 300*
(advanced)
Digital input/output 3, setup (10
and 16)

Digital input/output 4, setup (11
and 18)
-
TM06 4463 2315
Function if input
See details in section
14.11 Digital inputs
Function if output
See details in section
14.13 Signal relays 1 and 2
(Relay outputs)
Not active
External stop
•Min.
•Max.
External fault
Alarm resetting
Dry running
Accumulated flow*
Predefined setpoint 2
Not active
Ready
•Alarm
Operation
Pump running
Warning
Limit 1 exceeded*
Limit 2 exceeded*
+ 24V
DO 3/4
External
controller
Function if input
See details in section
14.11 Digital inputs
Function if output
See details in section
14.13 Signal relays 1 and 2
(Relay outputs)
Not active
External stop
•Min.
•Max.
External fault
Alarm resetting
Dry running
Accumulated flow*
Predefined setpoint 3
Not active
Not active
Ready
•Alarm
•Operation
Pump running
Warning
Limit 1 exceeded*
Limit 2 exceeded*
Function (terminal)
FM 200*
(standard)
FM 300*
(advanced)
Relay output 1 (NC, C1, NO) 
Relay output 2 (NC, C2, NO) 

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